Investors looking ahead to the g20 summit. in asia, the nikkei higher, the shanghai up. the dmax is higher although otherwise mixed when you look at london and paris. look, you've got futures on wall street right now up just a little bit here, adding to the small gains from tuesday. but the main event today is the fed chief, jerome powell's speech, at the economic club of new york. the dow jones industrial average closed 109 points high or tuesday. the s&p up, as well. the nasdaq finished basically where it started. general motors' shares, have you been watching this drama, they closed down ab...